package mvstore;

import java.util.HashMap;
import org.h2.mvstore.type.StringDataType;

public class NullTest {

    public static void main(String[] args) {
        HashMap<String, Object> config = new HashMap<>();

        config.put("fileName", null);

        String theName = (String) config.get("fileName");

        System.out.println(theName);

        System.out.println(new StringDataType().hashCode());
        System.out.println(new StringDataType().hashCode());
        System.out.println(new StringDataType().hashCode());
        System.out.println(StringDataType.INSTANCE.hashCode());
        System.out.println(StringDataType.INSTANCE.hashCode());
        System.out.println(StringDataType.INSTANCE.hashCode());
    }
}
